68 lines
2.6 KiB
Python
68 lines
2.6 KiB
Python
# Pyrogram - Telegram MTProto API Client Library for Python
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# Copyright (C) 2017-2018 Dan Tès <https://github.com/delivrance>
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#
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# This file is part of Pyrogram.
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#
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# Pyrogram is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Pyrogram is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.
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from typing import Union
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from pyrogram.api import functions, types
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from ...ext import BaseClient
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class PinChatMessage(BaseClient):
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def pin_chat_message(self,
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chat_id: Union[int, str],
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message_id: int,
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disable_notification: bool = None):
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"""Use this method to pin a message in a supergroup or a channel.
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You must be an administrator in the chat for this to work and must have the "can_pin_messages" admin right in
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the supergroup or "can_edit_messages" admin right in the channel.
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Args:
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chat_id (``int`` | ``str``):
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Unique identifier (int) or username (str) of the target chat.
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message_id (``int``):
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Identifier of a message to pin.
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disable_notification (``bool``):
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Pass True, if it is not necessary to send a notification to all chat members about the new pinned
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message. Notifications are always disabled in channels.
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Returns:
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True on success.
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Raises:
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:class:`Error <pyrogram.Error>` in case of a Telegram RPC error.
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``ValueError`` if a chat_id doesn't belong to a supergroup or a channel.
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"""
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peer = self.resolve_peer(chat_id)
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if isinstance(peer, types.InputPeerChannel):
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self.send(
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functions.channels.UpdatePinnedMessage(
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channel=peer,
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id=message_id,
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silent=disable_notification or None
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)
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)
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elif isinstance(peer, types.InputPeerChat):
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raise ValueError("The chat_id \"{}\" belongs to a basic group".format(chat_id))
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else:
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raise ValueError("The chat_id \"{}\" belongs to a user".format(chat_id))
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return True
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